Eskridge, Paul B.; Frogel, Jay A.; Pogge, Richard W.; Quillen, Alice C.; Berlind, Andreas A.; Davies, Roger L.; DePoy, D. L.; Gilbert, Karoline M.; Houdashelt, Mark L.; Kuchinski, Leslie E.; Ramirez, Solange V.; Sellgren, K.; Stutz, Amelia; Terndrup, Donald M.; Tiede, Glenn P. (November 2002). "Near-Infrared and Optical Morphology of Spiral Galaxies". The Astrophysical Journal Supplement Series. 143 (1): 73–111. arXiv:astro-ph/0206320. Bibcode:2002ApJS..143...73E. doi:10.1086/342340.
Schmitt, H. R.; Ulvestad, J. S.; Antonucci, R. R. J.; Kinney, A. L. (February 2001). "Jet Directions in Seyfert Galaxies: Radio Continuum Imaging Data". The Astrophysical Journal Supplement Series. 132 (2): 199–209. arXiv:astro-ph/0012123. Bibcode:2001ApJS..132..199S. doi:10.1086/318957.
Gutiérrez, Leonel; Erwin, Peter; Aladro, Rebeca; Beckman, John E. (1 November 2011). "The Outer Disks of Early-Type Galaxies. Ii. Surface-Brightness Profiles of Unbarred Galaxies and Trends with Hubble Type". The Astronomical Journal. 142 (5): 145. arXiv:1108.3662. Bibcode:2011AJ....142..145G. doi:10.1088/0004-6256/142/5/145.
Terashima, Yuichi; Iyomoto, Naoko; Ho, Luis C.; Ptak, Andrew F. (March 2002). "X-Ray Properties of LINERs and Low-Luminosity Seyfert Galaxies Observed with ASCA . I. Observations and Results". The Astrophysical Journal Supplement Series. 139 (1): 1–36. arXiv:astro-ph/0203005. Bibcode:2002ApJS..139....1T. doi:10.1086/324373.
Kawamuro, Taiki; Ueda, Yoshihiro; Tazaki, Fumie; Terashima, Yuichi (6 June 2013). "BROADBAND X-RAY SPECTRA OF TWO LOW-LUMINOSITY ACTIVE GALACTIC NUCLEI NGC 1566 AND NGC 4941 OBSERVED WITH SUZAKU". The Astrophysical Journal. 770 (2): 157. arXiv:1305.2912. Bibcode:2013ApJ...770..157K. doi:10.1088/0004-637X/770/2/157.
Eskridge, Paul B.; Frogel, Jay A.; Pogge, Richard W.; Quillen, Alice C.; Berlind, Andreas A.; Davies, Roger L.; DePoy, D. L.; Gilbert, Karoline M.; Houdashelt, Mark L.; Kuchinski, Leslie E.; Ramirez, Solange V.; Sellgren, K.; Stutz, Amelia; Terndrup, Donald M.; Tiede, Glenn P. (November 2002). "Near-Infrared and Optical Morphology of Spiral Galaxies". The Astrophysical Journal Supplement Series. 143 (1): 73–111. arXiv:astro-ph/0206320. Bibcode:2002ApJS..143...73E. doi:10.1086/342340.
Schmitt, H. R.; Ulvestad, J. S.; Antonucci, R. R. J.; Kinney, A. L. (February 2001). "Jet Directions in Seyfert Galaxies: Radio Continuum Imaging Data". The Astrophysical Journal Supplement Series. 132 (2): 199–209. arXiv:astro-ph/0012123. Bibcode:2001ApJS..132..199S. doi:10.1086/318957.
Gutiérrez, Leonel; Erwin, Peter; Aladro, Rebeca; Beckman, John E. (1 November 2011). "The Outer Disks of Early-Type Galaxies. Ii. Surface-Brightness Profiles of Unbarred Galaxies and Trends with Hubble Type". The Astronomical Journal. 142 (5): 145. arXiv:1108.3662. Bibcode:2011AJ....142..145G. doi:10.1088/0004-6256/142/5/145.
Terashima, Yuichi; Iyomoto, Naoko; Ho, Luis C.; Ptak, Andrew F. (March 2002). "X-Ray Properties of LINERs and Low-Luminosity Seyfert Galaxies Observed with ASCA . I. Observations and Results". The Astrophysical Journal Supplement Series. 139 (1): 1–36. arXiv:astro-ph/0203005. Bibcode:2002ApJS..139....1T. doi:10.1086/324373.
Kawamuro, Taiki; Ueda, Yoshihiro; Tazaki, Fumie; Terashima, Yuichi (6 June 2013). "BROADBAND X-RAY SPECTRA OF TWO LOW-LUMINOSITY ACTIVE GALACTIC NUCLEI NGC 1566 AND NGC 4941 OBSERVED WITH SUZAKU". The Astrophysical Journal. 770 (2): 157. arXiv:1305.2912. Bibcode:2013ApJ...770..157K. doi:10.1088/0004-637X/770/2/157.
Eskridge, Paul B.; Frogel, Jay A.; Pogge, Richard W.; Quillen, Alice C.; Berlind, Andreas A.; Davies, Roger L.; DePoy, D. L.; Gilbert, Karoline M.; Houdashelt, Mark L.; Kuchinski, Leslie E.; Ramirez, Solange V.; Sellgren, K.; Stutz, Amelia; Terndrup, Donald M.; Tiede, Glenn P. (November 2002). "Near-Infrared and Optical Morphology of Spiral Galaxies". The Astrophysical Journal Supplement Series. 143 (1): 73–111. arXiv:astro-ph/0206320. Bibcode:2002ApJS..143...73E. doi:10.1086/342340.
Schmitt, H. R.; Ulvestad, J. S.; Antonucci, R. R. J.; Kinney, A. L. (February 2001). "Jet Directions in Seyfert Galaxies: Radio Continuum Imaging Data". The Astrophysical Journal Supplement Series. 132 (2): 199–209. arXiv:astro-ph/0012123. Bibcode:2001ApJS..132..199S. doi:10.1086/318957.
Gutiérrez, Leonel; Erwin, Peter; Aladro, Rebeca; Beckman, John E. (1 November 2011). "The Outer Disks of Early-Type Galaxies. Ii. Surface-Brightness Profiles of Unbarred Galaxies and Trends with Hubble Type". The Astronomical Journal. 142 (5): 145. arXiv:1108.3662. Bibcode:2011AJ....142..145G. doi:10.1088/0004-6256/142/5/145.
Terashima, Yuichi; Iyomoto, Naoko; Ho, Luis C.; Ptak, Andrew F. (March 2002). "X-Ray Properties of LINERs and Low-Luminosity Seyfert Galaxies Observed with ASCA . I. Observations and Results". The Astrophysical Journal Supplement Series. 139 (1): 1–36. arXiv:astro-ph/0203005. Bibcode:2002ApJS..139....1T. doi:10.1086/324373.
Kawamuro, Taiki; Ueda, Yoshihiro; Tazaki, Fumie; Terashima, Yuichi (6 June 2013). "BROADBAND X-RAY SPECTRA OF TWO LOW-LUMINOSITY ACTIVE GALACTIC NUCLEI NGC 1566 AND NGC 4941 OBSERVED WITH SUZAKU". The Astrophysical Journal. 770 (2): 157. arXiv:1305.2912. Bibcode:2013ApJ...770..157K. doi:10.1088/0004-637X/770/2/157.